As adults, famous sisters Beyoncé and Solange are close - but they might owe their bond to a pivotal decision mom Tina Knowles made when they were children. While speaking to CNN News Central Friday (April 25) just a couple days after the release of her memoir,

Who are the Knowles family? From Tina to Beyoncé and Solange - The stars’ mother reveals details of her life with cancer and shares memories of her daughters’ lives in her memoir, Matriarch

After separating from Beyoncé and Solange’s mother, Mathew Knowles welcomed a son, Nixon Alexander Knowles, in February 2010, with ex-girlfriend, Alexsandra Wright. He later welcomed a daughter, Koi Mychael Knowles, in July 2010 with ex-girlfriend TaQoya Branscomb.